diff --git a/dev-requirements.txt b/dev-requirements.txt
index e4209e7..be8ba00 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
 setuptools>=40.8.0
 vulture>=1.0
 bandit>=1.5.1
-pydocstyle>=3.0.0
+pydocstyle>=6.3.0
 pytest>=4.3.1
 pytest-cov>=2.6.1
\ No newline at end of file